package com.web.controller;

import com.alibaba.fastjson2.JSON;
import com.web.entity.PageVO;
import com.web.entity.ResponseResult;
import com.web.service.CourseService;
import com.web.service.StudentService;
import com.web.service.impl.CourseServiceImpl;
import com.web.service.impl.StudentServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/findCoursePage")
public class FindCoursePageServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws SecurityException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        resp.setContentType("application/json:charset=UTF-8");
        String current = req.getParameter("current");
        String pageSize = req.getParameter("pageSize");
        int cur = 1;
        if (current != null){
            cur = Integer.parseInt(current);
        }
        int pSize = 5;
        if (pageSize != null){
            pSize = Integer.parseInt(pageSize);
        }
        CourseService courseService = new CourseServiceImpl();
        PageVO page = courseService.findCoursePage(cur,pSize);
        resp.getWriter().write(JSON.toJSONString(new ResponseResult(200,"OK",page)));
    }
}